package org.slf4j.migrator.line;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.regex.Pattern;

/**
 * This class represents JCL to SLF4J conversion rules
 *
 * @author Jean-Noel Charpin
 *
 */
public class JCLRuleSet implements RuleSet {

    private ArrayList<ConversionRule> conversionRuleList;

    public JCLRuleSet() {
        // matching : import org.apache.commons.logging.LogFactory;
        SingleConversionRule cr0 = new SingleConversionRule(Pattern
                .compile("import\\s*+org.apache.commons.logging.LogFactory;"),
                "import org.slf4j.LoggerFactory;");

        // matching : import org.apache.commons.logging.Log;
        SingleConversionRule cr1 = new SingleConversionRule(Pattern
                .compile("import\\s*+org.apache.commons.logging.Log;"),
                "import org.slf4j.Logger;");

        SingleConversionRule cr2 = new SingleConversionRule(Pattern
                .compile("(\\sLog\\b)"), " Logger");

        SingleConversionRule cr3 = new SingleConversionRule(Pattern
                .compile("(^Log\\b)"), "Logger");

        SingleConversionRule cr4 = new SingleConversionRule(Pattern
                .compile("LogFactory.getFactory\\(\\).getInstance\\("),
                "LoggerFactory.getLogger(");

        SingleConversionRule cr5 = new SingleConversionRule(Pattern
                .compile("LogFactory.getLog\\("), "LoggerFactory.getLogger(");

        conversionRuleList = new ArrayList<ConversionRule>();
        conversionRuleList.add(cr0);
        conversionRuleList.add(cr1);
        conversionRuleList.add(cr2);
        conversionRuleList.add(cr3);
        conversionRuleList.add(cr4);
        conversionRuleList.add(cr5);
    }

    public Iterator<ConversionRule> iterator() {
        return conversionRuleList.iterator();
    }
}
